Home / 15,954.27-22,018.95-9,150.94

Finding the Fourth Proportional to 15,954.27, 22,018.95 and 9,150.94

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Solution

The fourth proportional to 15,954.27, 22,018.95 and 9,150.94 is: 12,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.27 : 22,018.95 = 9,150.94 : x
  2. Step 2: Convert to fraction form
    15,954.27/22,018.95 = 9,150.94/x
  3. Step 3: Cross multiply
    15,954.27x = 22,018.95 × 9,150.94
  4. Step 4: Simplify right side
    15,954.27x = 201,494,090.31
  5. Step 5: Solve for x
    x = 201,494,090.31/15,954.27
  6. Step 6: Final answer
    x = 12,629.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.